Brainstuff
BrainStuff
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What makes your knuckles pop?
Learn more about the anatomy (and chemistry) behind that popping ...
Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff.
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Could I see a flashlight beam from Earth on the moon?
If you shone a flashlight beam from Earth, would you ...
If you shone a flashlight beam from Earth, would you be able to see it from the moon? It depends. Find out why -- and get a lesson in how light works -- in this episode of BrainStuff.
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How do Voyager 1 and 2 transmit messages from far away?
Spacecraft Voyager 1 and Voyager 2 transmit images of space ...
Spacecraft Voyager 1 and Voyager 2 transmit images of space and its contents from great distances, but how? Learn more about the technology that allows them to send radio messages from far, far away in this episode of BrainStuff.
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How do stabilizer bars work?
Stabilizer bars are designed to keep your car from rolling ...
Stabilizer bars are designed to keep your car from rolling when you make sharp turns. Learn more about how these bars work in this episode of BrainStuff.
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Is it true that a diesel engine can operate underwater?
Under certain circumstances, diesel engines can operate while submerged in ...
Under certain circumstances, diesel engines can operate while submerged in water. Find out what it takes to waterproof an engine -- and why diesel engines are better candidates than their gasoline counterparts -- in this episode of BrainStuff.
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How can the grass on a golf course green be so perfect?
The greens on a golf course are famously smooth and ...
The greens on a golf course are famously smooth and perfect-looking, but how do they get that way? Discover how careful planning, the right ingredients and a whole lot of maintenance yield a flawless green in this episode of BrainStuff.
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How does a toaster work?
Toasting is a tasty way to increase the durability of ...
Toasting is a tasty way to increase the durability of bread, and automatic toasters are a convenient way to make toast. Learn more about the chemical change that turns bread into toast and the mechanism behind toasters in this episode of BrainStuff.
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How does a gas pump know when the fuel tank is full?
If you've ever put gas in a car, you've probably ...
If you've ever put gas in a car, you've probably noticed how the gas pump shuts off when your tank is full. But how does it know to do that? Learn more about the clever mechanism that keeps your gas tank from overflowing in this episode of BrainStuff.
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How cell phones work
Today's cell phones are amazingly compact, complex devices that provide ...
Today's cell phones are amazingly compact, complex devices that provide a wide array of services. Discover the origins of these technological wonders, and the technology that makes them work, in this episode of BrainStuff.
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Where did the hamburger get its name?
The word 'hamburger' seems to imply that pork is a ...
The word 'hamburger' seems to imply that pork is a main ingredient, but in fact, this famous beef sandwich got its name from a city. Learn more about the origins and spread of the hamburger in this episode of BrainStuff.
